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GrogVix [38]
3 years ago
11

What is the value of 7+3M-2 when M = 4?

Mathematics
2 answers:
Ede4ka [16]3 years ago
8 0
7 + 3(4) - 2
7 + 12 - 2
19 - 2
= 17
Yakvenalex [24]3 years ago
6 0
19 is the answer. Because 4 times 3 is 12 therefore 7 + 12 is 21. and 21 - 2 is 19
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John Smith made a one year investment that generated a nominal return of 6% or $3000. The real return was $2000. What was the or
nata0808 [166]

The nominal value - without discounting the inflation rate - of income was $ 3000.

If the interest rate was 6%, a rule of three is enough to find the value of the original investment.

3000 - 6%

x - 100%

x = 50,000

The value of the investment was $ 50,000

In this case, the inflation rate also requires a simple calculation.

Inflation corroded $ 1000 dollars of income of $ 3000

Therefore the inflation rate will be 1000/3000 = 33.3%

3 0
3 years ago
There were 30 cookies in a jar. Eileen divided the cookies into 12 equal shares. How many cookies were there in each share?
Sedbober [7]
The answer is 2.5 cookies also known as 2 and 1/2 Because 12 can go into 30, twice , which gives us 24 and 30-24= 6 so we put a decimal point to the right of 2 and we put a 0 and bring the zero down to make 60. 12 goes into 60, 5 times so the answer is 2 1/2 or 2.5

4 0
4 years ago
It takes Kasey 55 minutes to walk to school. When she starts her route. It takes her 14 minutes to get to the corner where the g
ki77a [65]
Add the time to get to the grocery store and then to the post office:
 14 + 22 = 36 minutes
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55 - 36 = 19

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4 0
4 years ago
If a household appliance had a wattage of 4,694 amd is in use for 10 hours, how much Co2 was produced
Amanda [17]

Answer: 4.64805 pounds of CO₂ was produced

Step-by-step explanation:

Given that;

wattage = 4694 watt = 4694 /1000 = 4.694 kW

time in use t = 10hrs

CO₂ was produced = ?

Total Energy produced = wattage × time = 4.694 kW × 10hrs =  46.95 kWh

we know that 1 kWh produces 0.99 pounds of CO₂

so

46.95 kWh will produce ⇒ 46.95 kWh × 0.99 = 4.64805 pounds of CO₂

Therefore 4.64805 pounds of CO₂ was produced

4 0
3 years ago
Ava has 34 candy bars. If
aliya0001 [1]

\bf Step-by-step~explanation:

If Ava has 34 candy bars, and each box can hold 5 bars, then we need to find out how many boxes that are filled up.

\bf Step~1:

Divide the number of candy bars (34), by the number each box can hold (5)

\bf\frac{34}{5}=6.8

Since we cannot have 6.8 boxes, we have to round down to 6.

\boxed{\bf Our~final~answer:~6~boxes}

\bf Check~our~answer:

To check our answer, we multiply the number of boxes (6), by the number of bars in each box (5), to get 30. We add Ava's extra bars (4), and we get the number we started off with: 34. This proves our answer is correct!

4 0
4 years ago
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